Why the transmision line are
11,33,63,132kv?
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Answer Posted / shahid
transmission always done at high voltage becuase
1) To reduce losses, losses is(I2R) we step up
voltage simultaniously reduce current through
transformer as current is very less losses will
also be very less as losses is(I2R)
2) If we transmit at high current conducter size
will get increase because to increase current
resistance must be reduce. To reduce resistance
we have two way i.e either length of transmission
should decrease or area should increase because
resistance(r=$l/a)l=length,a=area
if we transmitt at high current size of conductor
will be very thick because length cant be reduce.
| Is This Answer Correct ? | 10 Yes | 13 No |
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